VMware Workstation and Fusion VMXNET3 integer-overflow vulnerability
VMware Workstation and Fusion contain an integer-overflow vulnerability. A malicious actor with local administrative privileges on a virtual machine with VMXNET3 virtual network adapter may exploit this issue to execute code on the host. Affected versions: - VMware Workstation: 25H2, 26H1 (fixed in 26H1u1) - VMware Fusion: 25H2, 26H1 (fixed in 26H1u1)
CVE-2026-59346
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-59346
VMware Workstation
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
VMware Fusion
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "VMware",
"product": "VMware Workstation",
"versions": [
{
"status": "affected",
"version": "25H2",
"versionType": "custom",
"lessThanOrEqual": "26H1"
},
{
"status": "unaffected",
"version": "26H1u1",
"versionType": "custom"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "VMware",
"product": "VMware Fusion",
"versions": [
{
"status": "affected",
"version": "25H2",
"versionType": "custom",
"lessThanOrEqual": "26H1"
},
{
"status": "unaffected",
"version": "26H1u1",
"versionType": "custom"
}
],
"platforms": [
"macOS"
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-59346
Source reference:
/cveMetadata/cveId
Publisher severity
critical
Source reference: /containers/cna/metrics
- Event
- #11848 · Revision 1
- Added to Heist Feed
- Publisher date